Goodwill and Other Intangible Assets - Intangible Assets (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018	Dec. 31, 2018
Finite-Lived Intangible Assets [Line Items]
Gross Amount	$ 359.5		$ 359.5		$ 360.3
Accumulated Amortization	218.3		218.3		203.3
Net Amount	141.2		141.2		157.0
Indefinite-lived Intangible Assets [Line Items]
Gross Amount	493.3		493.3		496.0
Accumulated Amortization	218.3		218.3		203.3
Net Amount	275.0		275.0		292.7
Amortization of intangible assets	5.1	$ 6.2	16.1	$ 18.8
Trademarks [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Amount	35.2		35.2		35.7
Accumulated Amortization	21.1		21.1		19.6
Net Amount	14.1		14.1		16.1
Indefinite-lived Intangible Assets [Line Items]
Accumulated Amortization	21.1		21.1		19.6
Technology [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Amount	113.5		113.5		110.9
Accumulated Amortization	60.3		60.3		53.0
Net Amount	53.2		53.2		57.9
Indefinite-lived Intangible Assets [Line Items]
Accumulated Amortization	60.3		60.3		53.0
Customer relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Amount	210.8		210.8		213.7
Accumulated Amortization	136.9		136.9		130.7
Net Amount	73.9		73.9		83.0
Indefinite-lived Intangible Assets [Line Items]
Accumulated Amortization	136.9		136.9		130.7
Trademarks [Member]
Indefinite-lived Intangible Assets [Line Items]
Trademarks, not subject to amortization	$ 133.8		$ 133.8		$ 135.7